fix(serviceman): do not use 'sudo' or 'env PATH="$PATH"'

brew/brew-update-service-install

@@ -13,7 +13,7 @@ main() { (
     fi
     serviceman --version
 
-    env PATH="$PATH" serviceman add --agent \
+    serviceman add --agent \
         --workdir ~/.local/opt/brew/ \
         --name sh.brew.updater -- \
         ~/.local/bin/brew-update-hourly

dashcore-utils/dashd-hd-service-install

@@ -119,8 +119,7 @@ fn_srv_install() { (
     cd "${my_vol}" || return 1
     # leave options unquoted so they're interpreted separately
     # shellcheck disable=SC2086
-    sudo env PATH="${PATH}" \
-        serviceman add --name "${my_name}" -- \
+    serviceman add --name "${my_name}" -- \
         dashd \
         ${my_net_flag} \
         -usehd \